20245815

素因数分解:

$3^3\times 5^1\times {\mathrm{149969}}^1$

素因数の和:149983

約数の個数: 16

約数和(自身を含む): 35992800

約数和(自身を除く): 15746985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149969, 449907, 749845, 1349721, 2249535, 4049163, 6748605, 20245815]

約数ペア:

[(1, 20245815), (3, 6748605), (5, 4049163), (9, 2249535), (15, 1349721), (27, 749845), (45, 449907), (135, 149969)]